13713702920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1\times {\mathrm{3889}}^1$

素因数の和:4542

約数の個数: 64

約数和(自身を含む): 31088880000

約数和(自身を除く): 17375177080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 443, 796, 886, 995, 1592, 1772, 1990, 2215, 3544, 3889, 3980, 4430, 7778, 7960, 8860, 15556, 17720, 19445, 31112, 38890, 77780, 88157, 155560, 176314, 352628, 440785, 705256, 773911, 881570, 1547822, 1722827, 1763140, 3095644, 3445654, 3526280, 3869555, 6191288, 6891308, 7739110, 8614135, 13782616, 15478220, 17228270, 30956440, 34456540, 68913080, 342842573, 685685146, 1371370292, 1714212865, 2742740584, 3428425730, 6856851460, 13713702920]

約数ペア:

[(1, 13713702920), (2, 6856851460), (4, 3428425730), (5, 2742740584), (8, 1714212865), (10, 1371370292), (20, 685685146), (40, 342842573), (199, 68913080), (398, 34456540), (443, 30956440), (796, 17228270), (886, 15478220), (995, 13782616), (1592, 8614135), (1772, 7739110), (1990, 6891308), (2215, 6191288), (3544, 3869555), (3889, 3526280), (3980, 3445654), (4430, 3095644), (7778, 1763140), (7960, 1722827), (8860, 1547822), (15556, 881570), (17720, 773911), (19445, 705256), (31112, 440785), (38890, 352628), (77780, 176314), (88157, 155560)]